Wholesale services for metal chains; retail services for metal chains; sales agency services for metal chains; management consultancy relating to production system and automation system; sales agency services for metal chain via the Internet; sales agency services for parts of conveyors via the Internet; sales agency services for conveyors via the Internet; sales agency services for plastic chains via the Internet; wholesale services for conveyors; retail services for conveyors; management consultancy relating to conveyors; offering services for conveyors; retail services for conveyors (excluding aerial conveyors); wholesale services for conveyors (excluding aerial conveyors); sales agency services for conveyors (excluding aerial conveyors); retail services for parts of conveyors (excluding aerial conveyors); wholesale services for parts of conveyors (excluding aerial conveyors); sales agency services for parts of conveyors (excluding aerial conveyors); retail services for parts for conveyors; wholesale services for parts for conveyors; sales agency services for parts for conveyors; sales agency services for conveyors; collection, systematization, compilation and analysis of business data and information stored in computer databases; wholesale services for plastic chains; retail services for plastic chains; sales agency services of plastic chains